MX2016017327A - Interference cancellation device and method. - Google Patents

Interference cancellation device and method.

Info

Publication number
MX2016017327A
MX2016017327A MX2016017327A MX2016017327A MX2016017327A MX 2016017327 A MX2016017327 A MX 2016017327A MX 2016017327 A MX2016017327 A MX 2016017327A MX 2016017327 A MX2016017327 A MX 2016017327A MX 2016017327 A MX2016017327 A MX 2016017327A
Authority
MX
Mexico
Prior art keywords
signal
interference
self
digital
reference signal
Prior art date
Application number
MX2016017327A
Other languages
Spanish (es)
Other versions
MX360550B (en
Inventor
Liu Sheng
Chen Teyan
Original Assignee
Huawei Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of MX2016017327A publication Critical patent/MX2016017327A/en
Publication of MX360550B publication Critical patent/MX360550B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15564—Relay station antennae loop interference reduction
    • H04B7/15585—Relay station antennae loop interference reduction by interference cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

The embodiments of the present invention provide an interference cancellation device and method, relating to the technical field of communications; the invention can prevent ADC/DAC dynamic range limits and effectively cancel a type 2 self-interference component. Comprised are: a radio frequency (RF) reference signal is obtained; an RF reception signal is received by means of a primary receiving antenna; according to the RF reference signal, type 1 self-interference component cancellation is performed on the RF reception signal, and a first processing signal is generated; according to self-interference channel parameters and the RF reference signal, the self-interference reconstruction signal is obtained; according to the self-interference reconstruction signal, a second self-interference signal in the first self-interference signal is canceled, generating a second processing signal; the second processing signal is downconverted, generating a third processing signal; digital/analog conversion is performed on the third processing signal to generate a digital signal; a digital baseband reference signal is obtained, and according to the digital baseband reference signal and the digital signal, self-interference channel estimation is performed to obtain self-interference channel parameters. The present invention is used for interference cancellation.
MX2016017327A 2014-06-26 2014-06-26 Interference cancellation device and method. MX360550B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/080870 WO2015196428A1 (en) 2014-06-26 2014-06-26 Interference cancellation device and method

Publications (2)

Publication Number Publication Date
MX2016017327A true MX2016017327A (en) 2017-07-07
MX360550B MX360550B (en) 2018-10-26

Family

ID=54936490

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016017327A MX360550B (en) 2014-06-26 2014-06-26 Interference cancellation device and method.

Country Status (12)

Country Link
US (1) US9973224B2 (en)
EP (1) EP3151438B1 (en)
JP (1) JP6562566B2 (en)
KR (1) KR101901220B1 (en)
CN (1) CN106464284B (en)
AU (1) AU2014399209B2 (en)
BR (1) BR112016030506B1 (en)
CA (1) CA2953658C (en)
MX (1) MX360550B (en)
RU (1) RU2664392C2 (en)
SG (1) SG11201610769YA (en)
WO (1) WO2015196428A1 (en)

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Also Published As

Publication number Publication date
JP2017520192A (en) 2017-07-20
CN106464284A (en) 2017-02-22
CA2953658C (en) 2020-05-12
WO2015196428A1 (en) 2015-12-30
JP6562566B2 (en) 2019-08-21
BR112016030506B1 (en) 2023-04-11
MX360550B (en) 2018-10-26
EP3151438A4 (en) 2017-07-12
RU2017102384A (en) 2018-08-02
RU2017102384A3 (en) 2018-08-02
KR101901220B1 (en) 2018-09-21
KR20170018452A (en) 2017-02-17
BR112016030506A2 (en) 2017-08-22
CA2953658A1 (en) 2015-12-30
US20170104506A1 (en) 2017-04-13
AU2014399209A1 (en) 2017-02-02
US9973224B2 (en) 2018-05-15
EP3151438A1 (en) 2017-04-05
CN106464284B (en) 2019-08-16
SG11201610769YA (en) 2017-01-27
AU2014399209B2 (en) 2018-03-29
EP3151438B1 (en) 2019-04-10
RU2664392C2 (en) 2018-08-17

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